CN103697232B - The supported at three point method of the prefabricated incremental launching construction of factory law tube coupling - Google Patents
The supported at three point method of the prefabricated incremental launching construction of factory law tube coupling Download PDFInfo
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- CN103697232B CN103697232B CN201310629578.9A CN201310629578A CN103697232B CN 103697232 B CN103697232 B CN 103697232B CN 201310629578 A CN201310629578 A CN 201310629578A CN 103697232 B CN103697232 B CN 103697232B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
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Abstract
The present invention relates to the supported at three point method of the prefabricated incremental launching construction of a kind of factory law tube coupling, particularly relate to a kind of by supported at three point hydraulic system to realize the supported at three point method of the steady pushing tow of tube coupling.This supported at three point method comprises total control circuit and to control supported at three point hydraulic system by this pipe joint section jack-up and carry out pushing tow; After this pipe joint section pushing tow puts in place, dismounting supported at three point hydraulic system; After treating that next pipe joint section is prefabricated, supported at three point hydraulic system is connected with the support jack of two pipe joint section respectively; Total control circuit to control supported at three point hydraulic system by two pipe joint section jack-up and carries out pushing tow; After two pipe joint section pushing tows put in place, dismounting supported at three point hydraulic system; After treating that next pipe joint section is prefabricated, supported at three point hydraulic system is connected with the support jack of three pipe joint section respectively; By that analogy, until whole pipe joint section pushing tows of composition tube coupling are complete.
Description
Technical field
The present invention relates to the supported at three point method of the prefabricated incremental launching construction of a kind of factory law tube coupling, particularly relate to a kind of by supported at three point hydraulic system to realize the supported at three point method of the steady pushing tow of tube coupling.
Background technique
At present, the prefabricated basic employing factory law of super large immersed tube and dry-docking method two kinds construction thinking, because dry-docking method construction equipment turn around time is longer, construction period cannot be met, therefore many employing factory law arrangement and method for construction, this kind of scheme basic ideas are exactly production line balance construction, improve effect, shorten construction period.The superhuge immersed tube prefabricated pushing tow operation of constructing for adopting the factory law in the world adopts concentrated pushing tow and multiple spot dispersion synchronous push two kinds of thinkings substantially; Concentrate pushing tow scheme to need to design top-pushing mechanism and the thrust beam counter-force seat of bulky complex, practice of construction condition is difficult to meet, and turnaround section tube coupling construction (because there being the tube coupling pushing tow of curved section) is carried out in inconvenience; Dispersion pushing tow has that pushing tow structure is simple, tube coupling pushing tow strength is evenly distributed and the advantage such as steel structure cost is controlled; But in incremental launching construction, for how to support tube coupling better, the support making each support jack stressed is more stable, to make tube coupling jacking and pushing tow process more steady, there is no solution well at present.
Therefore, for above deficiency, a kind of supported at three point method providing new prefabricated incremental launching construction of factory law tube coupling is badly in need of in the present invention.
Summary of the invention
The object of this invention is to provide the supported at three point method of the prefabricated incremental launching construction of a kind of factory law tube coupling, by supported at three point hydraulic system to realize the object of the steady pushing tow of tube coupling.
The object of the invention is to be achieved through the following technical solutions: the supported at three point method of the prefabricated incremental launching construction of a kind of factory law tube coupling, this supported at three point method comprises the following steps:
S1, on the support jack of prefabricated pipe joint section, connect supported at three point hydraulic system;
S2, total control circuit to control supported at three point hydraulic system by this pipe joint section jack-up and carry out pushing tow;
S3, after this pipe joint section pushing tow puts in place, dismounting supported at three point hydraulic system;
S4, treat that next pipe joint section is prefabricated after, supported at three point hydraulic system is connected with the support jack of two pipe joint section respectively;
S5, total control circuit to control supported at three point hydraulic system by two pipe joint section jack-up and carry out pushing tow;
S6, after two pipe joint section pushing tows put in place, dismounting supported at three point hydraulic system;
S7, treat that next pipe joint section is prefabricated after, supported at three point hydraulic system is connected with the support jack of three pipe joint section respectively;
S8, by that analogy, until whole pipe joint section pushing tows of composition tube coupling are complete.
Described supported at three point hydraulic system comprise three for provide support for each support jack hydraulic pressure support hydraulic pressure pump, many for connecting the support pipeline of support jack and support hydraulic pressure pump and being arranged on the electrically-controlled valve respectively supporting pipeline for switching controls supported on pipeline.
Described electrically-controlled valve is electrically connected with described total control circuit by electric wire, for realizing total control circuit to the automatic control of supported at three point hydraulic system in tube coupling incremental launching construction.
Described step S1 is further comprising the steps of:
S11, on the support jack of pipe joint section side by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S12, on the support jack of pipe joint section opposite side by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
Described step S2 also comprises three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings by the step of pipe joint section jack-up.
Described step S4 is further comprising the steps of:
S41, on the support jack of two pipe joint section sides by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S42, on the support jack of two pipe joint section opposite sides by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
Described step S5 also comprises three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings by the step of two pipe joint section jack-up.
Described step S7 is further comprising the steps of:
S71, on the support jack of three pipe joint section sides by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S72, on the support jack of three pipe joint section opposite sides by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
Three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings are also comprised by the step of three pipe joint section jack-up after described step S7.
Described step S8 is further comprising the steps of:
S81, on the support jack of whole pipe joint section side by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S82, on the support jack of whole pipe joint section opposite side by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
Described step S8 also comprises three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings by the step of whole pipe joint section jack-up.
The present invention compared with prior art has following advantage:
1, the present invention adopts the design of supported at three point hydraulic system; Make pipe joint section be in three point supporting balance state, when incremental launching construction, pipe joint section is in horizontal stable state all the time; 3 stable support to pipe joint section can be realized, in order to the abutment pressure of each support jack in balanced tube coupling bottom, to guarantee steady, the horizontal and vertical attitude that as far as possible do not change pipe joint section of pipe joint section in pushing tow process, make tube coupling can not produce deformation, cracking and inclination because of deadweight in pushing tow process, ensure that incremental launching construction quality, reduce incremental launching construction risk.
2, the present invention adopts the design of total control circuit; Supported at three point construction can be carried out to pipe joint section by overall control supported at three point hydraulic pressure, realize support jack, support the Automated condtrol of pipeline and support hydraulic pressure pump, under guaranteeing that each support jack is in identical hydraulic pressure all the time; Make supported at three point have reliable guarantee, make the jack-up process of pipe joint section more stable, accurate, effectively ensure that incremental launching construction quality, improve incremental launching construction efficiency, reduce incremental launching construction risk.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the step block diagram of supported at three point method in the present invention;
Fig. 2 is the connection diagram (block diagram) of supported at three point hydraulic system in the present invention;
Fig. 3 is the schematic diagram that in the present invention, pipe joint section connects support hydraulic pressure pump;
Fig. 4 is the schematic diagram that in the present invention, two pipe joint section connect support hydraulic pressure pump;
Fig. 5 is the schematic diagram of three pipe joint section connection support hydraulic pressure pumps in the present invention.
Embodiment
Shown in Figure 1, the supported at three point method of the prefabricated incremental launching construction of factory law tube coupling of the present embodiment, comprises the following steps:
1, on the support jack of prefabricated pipe joint section, supported at three point hydraulic system is connected;
Shown in Figure 2, the supported at three point hydraulic system described in the present embodiment comprise three for provide support for each support jack hydraulic pressure support hydraulic pressure pump, many for connect support jack and support hydraulic pressure pump support pipeline, be arranged on and support respectively supporting the electrically-controlled valve of pipeline for switching controls and for overall control supported at three point hydraulic pressure, pipe joint section being carried out to the total control circuit of supported at three point construction on pipeline; Described electrically-controlled valve is electrically connected with described total control circuit by electric wire, for realizing total control circuit to the automatic control of supported at three point hydraulic system in tube coupling incremental launching construction.Support hydraulic pressure pump described in the present embodiment adopts model to be the oil hydraulic pump of EHPS6MS or EHPS12MS.The present invention adopts the design of total control circuit; Supported at three point construction can be carried out to pipe joint section by overall control supported at three point hydraulic pressure, realize support jack, support the Automated condtrol of pipeline and support hydraulic pressure pump, under guaranteeing that each support jack is in identical hydraulic pressure all the time; Make supported at three point have reliable guarantee, make the jack-up process of pipe joint section more stable, accurate, effectively ensure that incremental launching construction quality, improve incremental launching construction efficiency, reduce incremental launching construction risk.
Shown in Figure 3, the support jack 2 of pipe joint section 1 side connects two support hydraulic pressure pumps 4 by supporting pipeline 3 correspondence; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
The support jack of pipe joint section opposite side connects a support hydraulic pressure pump by supporting pipeline correspondence; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure;
The each support jack being pipe joint section by three support hydraulic pressure pumps provides identical support force.
2, total control circuit to control supported at three point hydraulic system by this pipe joint section jack-up and carries out pushing tow:
Three support hydraulic pressure pumps that total control circuit controls to arrange in three point symmetries are by pipe joint section jack-up;
The present invention adopts the design of supported at three point hydraulic system; Make pipe joint section be in three point supporting balance state, when incremental launching construction, pipe joint section is in horizontal stable state all the time; 3 stable support to pipe joint section can be realized, in order to the abutment pressure of each support jack in balanced tube coupling bottom, to guarantee steady, the horizontal and vertical attitude that as far as possible do not change pipe joint section of pipe joint section in pushing tow process, make tube coupling can not produce deformation, cracking and inclination because of deadweight in pushing tow process, ensure that incremental launching construction quality, reduce incremental launching construction risk.
3, after this pipe joint section pushing tow to normal place, by support jack pressure release, dismounting supported at three point hydraulic system.
4, after treating that next pipe joint section is prefabricated, supported at three point hydraulic system is connected with the support jack of two pipe joint section respectively;
Shown in Figure 4, the support jack of two pipe joint section sides connects two support hydraulic pressure pumps by supporting pipeline correspondence; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
The support jack of two pipe joint section opposite sides connects a support hydraulic pressure pump by supporting pipeline correspondence; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure;
The each support jack being two pipe joint section by three support hydraulic pressure pumps provides identical support force.
5, total control circuit to control supported at three point hydraulic system by two pipe joint section jack-up and carries out pushing tow:
Three support hydraulic pressure pumps that total control circuit controls to arrange in three point symmetries are by two pipe joint section jack-up;
Make this two pipe joint section be in three point supporting balance state simultaneously, the support force provided required for three corresponding support hydraulic pressure pumps is also identical, under making the support jack connected with each support hydraulic pressure pump respectively be in identical hydraulic pressure all the time, make the support force equilibrium provided needed for each support jack.
6, after two pipe joint section pushing tows to normal place, by support jack pressure release, dismounting supported at three point hydraulic system.
7, after treating that next pipe joint section is prefabricated, supported at three point hydraulic system is connected with the support jack of three pipe joint section respectively;
Shown in Figure 5, the support jack of three pipe joint section sides connects two support hydraulic pressure pumps by supporting pipeline correspondence; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
The support jack of three pipe joint section opposite sides connects a support hydraulic pressure pump by supporting pipeline correspondence; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure;
The each support jack being three pipe joint section by three support hydraulic pressure pumps provides identical support force.
Three support hydraulic pressure pumps that total control circuit controls to arrange in three point symmetries are by three pipe joint section jack-up;
Make these three pipe joint section be in three point supporting balance state simultaneously, the support force provided required for three corresponding support hydraulic pressure pumps is also identical, under making the support jack connected with each support hydraulic pressure pump respectively be in identical hydraulic pressure all the time, make the support force equilibrium provided needed for each support jack.
After three pipe joint section pushing tows to normal place, by support jack pressure release, dismounting supported at three point hydraulic system;
8, by that analogy, the support jack of whole pipe joint section side connects two support hydraulic pressure pumps by supporting pipeline correspondence; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
The support jack of whole pipe joint section opposite side connects a support hydraulic pressure pump by supporting pipeline correspondence; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure;
The each support jack being whole pipe joint section by three support hydraulic pressure pumps provides identical support force.
Three support hydraulic pressure pumps that total control circuit controls to arrange in three point symmetries are by whole pipe joint section jack-up;
Make whole pipe joint section be in three point supporting balance state simultaneously, the support force provided required for three corresponding support hydraulic pressure pumps is also identical, under making the support jack connected with each support hydraulic pressure pump respectively be in identical hydraulic pressure all the time, make the support force equilibrium provided needed for each support jack.
Until whole pipe joint section pushing tows of composition tube coupling are complete; By support jack pressure release, and dismantle supported at three point hydraulic system.
Normal place described in the present embodiment refers to the pipe joint section moving target position preset, and after a pipe joint section moves to this normal place, can continue building and incremental launching construction of next pipe joint section; After first pipe joint section is prefabricated, reach after pushing tow intensity until pipe joint section concrete, by supported at three point hydraulic system by steady for pipe joint section jack-up, make each support jack uniform stressed; By pushing tow system pushing tow jack by support jack along slide rail pushed forward, realize the pushing tow of pipe joint section with this; Until whole pipe joint section shifts out, pipe joint section is prefabricated builds platform, is the prefabricated slot milling of next pipe joint section; After next pipe joint section is prefabricated, be communicated with first pipe joint section pushed forward together by pushing tow system, until to shift out the prefabricated position of pipe joint section be next pipe joint section prefabricatedly provide station; Repeat above-mentioned steps, until eight pipe joint section of a composition tube coupling all prefabricated after, by pushing tow system by eight pipe joint section pushed forward together, until arrive the gate place, shallow dockland being positioned at preset factory; And at this, eight pipe joint section are assembled into a tube coupling; After tube coupling assembling, supported at three point hydraulic system is dismantled, in order to the use of next tube coupling pushing tow.
Claims (9)
1. a supported at three point method for the prefabricated incremental launching construction of factory law tube coupling, is characterized in that: this supported at three point method comprises the following steps:
S1, on the support jack of prefabricated pipe joint section, connect supported at three point hydraulic system; Described supported at three point hydraulic system comprise three for provide support for each support jack hydraulic pressure support hydraulic pressure pump, many for connect support jack and support hydraulic pressure pump support pipeline, be arranged on and support respectively supporting the electrically-controlled valve of pipeline for switching controls and for overall control supported at three point hydraulic pressure, pipe joint section being carried out to the total control circuit of supported at three point construction on pipeline;
S2, total control circuit to control supported at three point hydraulic system by this pipe joint section jack-up and carry out pushing tow;
S3, after this pipe joint section pushing tow puts in place, dismounting supported at three point hydraulic system;
S4, treat that next pipe joint section is prefabricated after, supported at three point hydraulic system is connected with the support jack of two pipe joint section respectively;
S5, total control circuit to control supported at three point hydraulic system by two pipe joint section jack-up and carry out pushing tow;
S6, after two pipe joint section pushing tows put in place, dismounting supported at three point hydraulic system;
S7, treat that next pipe joint section is prefabricated after, supported at three point hydraulic system is connected with the support jack of three pipe joint section respectively;
S8, by that analogy, until whole pipe joint section pushing tows of composition tube coupling are complete.
2. supported at three point method according to claim 1, is characterized in that: described step S1 is further comprising the steps of:
S11, on the support jack of pipe joint section side by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S12, on the support jack of pipe joint section opposite side by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
3. supported at three point method according to claim 2, is characterized in that: described step S2 also comprises three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings by the step of pipe joint section jack-up.
4. supported at three point method according to claim 3, is characterized in that: described step S4 is further comprising the steps of:
S41, on the support jack of two pipe joint section sides by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S42, on the support jack of two pipe joint section opposite sides by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
5. supported at three point method according to claim 4, is characterized in that: described step S5 also comprises three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings by the step of two pipe joint section jack-up.
6. supported at three point method according to claim 5, is characterized in that: described step S7 is further comprising the steps of:
S71, on the support jack of three pipe joint section sides by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S72, on the support jack of three pipe joint section opposite sides by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
7. supported at three point method according to claim 6, is characterized in that: also comprise three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings after described step S7 by the step of three pipe joint section jack-up.
8. supported at three point method according to claim 7, is characterized in that: described step S8 is further comprising the steps of:
S81, on the support jack of whole pipe joint section side by support pipeline correspondence connect two support hydraulic pressure pumps; The multiple support jacks being this side by two support hydraulic pressure pumps provide support hydraulic pressure;
S82, on the support jack of whole pipe joint section opposite side by support pipeline correspondence connect a support hydraulic pressure pump; The multiple support jacks being this side by a support hydraulic pressure pump provide support hydraulic pressure.
9. supported at three point method according to claim 8, is characterized in that: described step S8 also comprises three the support hydraulic pressure pumps of total control circuit control in three point symmetries settings by the step of whole pipe joint section jack-up.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310629578.9A CN103697232B (en) | 2013-11-29 | 2013-11-29 | The supported at three point method of the prefabricated incremental launching construction of factory law tube coupling |
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| CN201310629578.9A CN103697232B (en) | 2013-11-29 | 2013-11-29 | The supported at three point method of the prefabricated incremental launching construction of factory law tube coupling |
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| CN103697232A CN103697232A (en) | 2014-04-02 |
| CN103697232B true CN103697232B (en) | 2015-10-28 |
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| CN107672017A (en) * | 2017-08-31 | 2018-02-09 | 中交第二航务工程局有限公司 | A kind of huge concrete structure hydraulic pressure support method |
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|---|---|---|---|---|
| CN202108003U (en) * | 2011-05-27 | 2012-01-11 | 长沙理工大学 | Prefabricated support system for long-ton prestressed concrete continuous box beam bridge pushing construction |
| CN103147462A (en) * | 2013-03-22 | 2013-06-12 | 王余富 | Slotting incremental launching construction method |
| CN103195091A (en) * | 2013-04-09 | 2013-07-10 | 中交一航局第二工程有限公司 | Immersed tube top 3D (three dimensional) accurate adjustment system and method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2660328B2 (en) * | 1995-04-13 | 1997-10-08 | 関西電力株式会社 | Joint structure of prefabricated porous tube for sheath tube insertion |
| DE102006020339A1 (en) * | 2006-04-28 | 2007-11-08 | Herrenknecht Ag | Method and device for trenchless laying of pipelines |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202108003U (en) * | 2011-05-27 | 2012-01-11 | 长沙理工大学 | Prefabricated support system for long-ton prestressed concrete continuous box beam bridge pushing construction |
| CN103147462A (en) * | 2013-03-22 | 2013-06-12 | 王余富 | Slotting incremental launching construction method |
| CN103195091A (en) * | 2013-04-09 | 2013-07-10 | 中交一航局第二工程有限公司 | Immersed tube top 3D (three dimensional) accurate adjustment system and method |
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